| // Copyright 2020 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <lib/mmio/mmio.h> |
| |
| #include <ddk/debug.h> |
| #include <ddk/metadata.h> |
| #include <ddk/metadata/spi.h> |
| #include <ddk/platform-defs.h> |
| #include <fbl/algorithm.h> |
| #include <soc/vs680/vs680-spi.h> |
| |
| #include "src/devices/board/drivers/vs680-evk/vs680-evk-bind.h" |
| #include "vs680-evk.h" |
| |
| namespace board_vs680_evk { |
| |
| static const pbus_mmio_t spi_mmios[] = { |
| { |
| .base = vs680::kSpi1Base, |
| .length = vs680::kSpiSize, |
| }, |
| }; |
| |
| static const pbus_irq_t spi_irqs[] = { |
| { |
| .irq = vs680::kSpi1Irq, |
| .mode = ZX_INTERRUPT_MODE_LEVEL_HIGH, |
| }, |
| }; |
| |
| static const spi_channel_t spi_channels[] = { |
| { |
| .bus_id = 0, |
| .cs = 0, |
| .vid = PDEV_VID_GENERIC, |
| .pid = PDEV_PID_GENERIC, |
| .did = PDEV_DID_TEST_SPI, |
| }, |
| { |
| .bus_id = 0, |
| .cs = 1, |
| .vid = PDEV_VID_GENERIC, |
| .pid = PDEV_PID_GENERIC, |
| .did = PDEV_DID_TEST_SPI, |
| }, |
| }; |
| |
| static const pbus_metadata_t spi_metadata[] = { |
| { |
| .type = DEVICE_METADATA_SPI_CHANNELS, |
| .data_buffer = spi_channels, |
| .data_size = sizeof spi_channels, |
| }, |
| }; |
| |
| static pbus_dev_t spi_dev = []() { |
| pbus_dev_t dev = {}; |
| dev.name = "spi"; |
| dev.vid = PDEV_VID_GENERIC; |
| dev.pid = PDEV_PID_GENERIC; |
| dev.did = PDEV_DID_DW_SPI; |
| dev.mmio_list = spi_mmios; |
| dev.mmio_count = countof(spi_mmios); |
| dev.irq_list = spi_irqs; |
| dev.irq_count = countof(spi_irqs); |
| dev.metadata_list = spi_metadata; |
| dev.metadata_count = countof(spi_metadata); |
| return dev; |
| }(); |
| |
| zx_status_t Vs680Evk::SpiInit() { |
| ddk::GpioImplProtocolClient gpio(parent()); |
| if (!gpio.is_valid()) { |
| zxlogf(ERROR, "%s: Failed to create GPIO protocol client", __PRETTY_FUNCTION__); |
| return ZX_ERR_INTERNAL; |
| } |
| |
| zx_status_t status; |
| if ((status = gpio.SetAltFunction(vs680::kSpi1Cs0, vs680::kSpi1Cs0AltFunction)) != ZX_OK || |
| (status = gpio.SetAltFunction(vs680::kSpi1Cs1, vs680::kSpi1Cs1AltFunction)) != ZX_OK || |
| (status = gpio.SetAltFunction(vs680::kSpi1Clk, vs680::kSpi1ClkAltFunction)) != ZX_OK || |
| (status = gpio.SetAltFunction(vs680::kSpi1Mosi, vs680::kSpi1MosiAltFunction)) != ZX_OK || |
| (status = gpio.SetAltFunction(vs680::kSpi1Miso, vs680::kSpi1MisoAltFunction)) != ZX_OK) { |
| zxlogf(ERROR, "%s: GPIO SetAltFunction failed %d", __PRETTY_FUNCTION__, status); |
| return status; |
| } |
| |
| status = pbus_.DeviceAdd(&spi_dev); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "%s: DeviceAdd failed %d", __PRETTY_FUNCTION__, status); |
| return status; |
| } |
| |
| return ZX_OK; |
| } |
| |
| } // namespace board_vs680_evk |